Option 1 : \(16\frac{4}{6}\%\)

We know that, if a number A is x% more than B, then B is \(\frac{x}{{100\; + \;x}}\; \times \;100\%\) lesser than A

⇒ Percentage by which Aman is shorter than Sunil = \(\frac{{20}}{{20\; + \;100}}\; \times \;100\%\)

⇒ Percentage by which Aman is shorter than Sunil = \(\frac{{20}}{{120}}\; \times \;100\%\)

⇒ Percentage by which Aman is shorter than Sunil = 100/6 %

∴ Percentage by which Aman is shorter than Sunil is \(16\frac{4}{6}\% \)Syllogism (Clear Your Basics)

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